Why Mapper runs in heavy weight process and not in a thread in MapReduce?
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What is the function of mapreducer partitioner?
What are advantages of Spark over MapReduce?
What do sorting and shuffling do?
What do you mean by shuffling and sorting in MapReduce?
What is shuffling in mapreduce?
What are ‘maps’ and ‘reduces’?
What is the role of recordreader in hadoop mapreduce?
Does Partitioner run in its own JVM or shares with another process?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
What is MapReduce? What are the syntax you use to run a MapReduce program?
What is Mapper in Hadoop MapReduce?
How to specify more than one directory as input in the Hadoop MapReduce Program?
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